AhaBulbStuff Everyone Should Know
AhaBulb: Stuff Everyone Should Know · ahabulb.com/boat-special-marks-yellow

A solid yellow buoy is a 'special mark.' What is it used for?

Start playing free

  1. Marking the right side of a channel
  2. Showing special areas like anchorages or cable areas
  3. Telling you the water is safe to swim

🔒 The answer is for AhaBulb members. Members see the answer, why it's right and the official sources for every card of Stuff Every Boater Should Know, plus timed practice exams.

The first 50 cards of every test are free to play.

Play the free cards See membership

Like this card?
Play the game

References

  1. 33 CFR 62.31, Special marks www.ecfr.gov/current/title-33/part-62 Checked 2026-10-09.

Think this answer is wrong? Tap "Challenge this answer" on the card in the game and tell us why.

Test yourself in the game

Boating & WaterIn U.S. waters, 'red right returning' means keep red markers where when coming in from sea?Boating & WaterA red, cone-shaped buoy with a pointed top is called what?Boating & WaterGreen, flat-topped, cylinder-shaped buoys are called what?

That's stuff everyone should know.